<%--
  Created by IntelliJ IDEA.
  User: Lenovo
  Date: 2022-04-27
  Time: 11:31
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<%@ page contentType="text/html;charset=UTF-8"  isELIgnored="false" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
  <br>1.前端参数的
 param: ${param['name']} <!--request.getParameter("name")-->
  <br>
 paramValues:${paramValues['like'][1]}
  <br>2.四个范围
  <br>3.cookie:
    ${cookie['Idea-aafc8db9'].name}-${cookie['Idea-aafc8db9'].value}
  <br>4.头信息：Accept - ${headerValues['Accept'][0]}
  <br></br>Host-${header['Host']}
    5初始化参数.${initParam['encoding']}
</body>
</html>
